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// Station · 15m ago

KTTD

Portland Troutdale Airport
CAT VFR
WIND 260° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 17.2°C / 2.8°C
ALTIM 30.03 inHg
ELEV 39 FT
45.5494°N / 122.4010°W
LOCATION · Portland, US
N
WIND
260°3 kt
KTTD · 39 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
260°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
17 / 3
 
 
 
ALTIM
30.03"
 
 
 

// Interpretation

VFR with light winds at 260°/3 kt. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KTTD 130053Z 26003KT 10SM CLR 17/03 A3003 RMK AO2 SLP168 T01720028 $

KTTD · day 13 at 00:53 UTC · wind from 260° at 3 kt · visibility 10+ SM · temp 17°C / dewpoint 3°C · altimeter 30.03" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.8 mb

// Runway analysis · computed from current METAR wind

Wind 260° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
260°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
07 HDG 070° —CALM —— 5,399'
25 HDG 250° —CALM —— 5,399'
Pattern altitude: 1,039 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +2°C

200FT
+161 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV39 FT OAT+17°C ISA DELTA+2°C PRESSURE ALT-73 FT
// Performance equivalent Operating here right now feels like operating at KUAO (Aurora State Airport, Aurora, elev 200 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+2%
-1%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+1%
-1%
Light jetCJ4, Phenom 300, M2
+1%
-1%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 8,726 FT KTTD ELEV · 39 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL8,726 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

14:23ZSUNRISE
19:57ZSOLAR NOON
01:31ZSUNSET
02:01ZCIVIL END
CURRENT01:08Z DAYLIGHT REMAINING23m VFR NIGHT BEGINS02:01Z (53m) DAY LENGTH11h 08m
Waxing Crescent
ILLUMINATION3% MOONRISE15:44Z MOONSET02:52Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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